Home / 65,757,419.40-98,825,085.90-57,443,320.20

Finding the Fourth Proportional to 65,757,419.40, 98,825,085.90 and 57,443,320.20

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Solution

The fourth proportional to 65,757,419.40, 98,825,085.90 and 57,443,320.20 is: 86,330,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,757,419.40 : 98,825,085.90 = 57,443,320.20 : x
  2. Step 2: Convert to fraction form
    65,757,419.40/98,825,085.90 = 57,443,320.20/x
  3. Step 3: Cross multiply
    65,757,419.40x = 98,825,085.90 × 57,443,320.20
  4. Step 4: Simplify right side
    65,757,419.40x = 5,676,841,053,146,206
  5. Step 5: Solve for x
    x = 5,676,841,053,146,206/65,757,419.40
  6. Step 6: Final answer
    x = 86,330,046.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.